wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/1ab0025a-79c3-4316-948f-99f2c48f9cff/4DNFI5B547XJ.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/1ab0025a-79c3-4316-948f-99f2c48f9cff/4DNFI5B547XJ.bw 4DNFI5B547XJ
test "1f3bcb9c8b8cc6409a0d2a915ebc25d9" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI5B547XJ